Flame diagnostic using optoacoustic laserbeam deflection and frequency modulation spectroscopy

W. Zapka; P. Pokrowsky; E. A. Whittaker; A. C. Tam; G. C. Bjorklund

doi:10.1117/12.935391

Flame diagnostic using optoacoustic laserbeam deflection and frequency modulation spectroscopy

W. Zapka, P. Pokrowsky, E. A. Whittaker, A. C. Tam, G. C. Bjorklund

Research output: Contribution to journal › Article › peer-review

Abstract

Two laser-based techniques, Optoacoustic Laserbeam Deflection (OLD) and Frequency Modulation (FM) spectroscopy, were introduced for flame diagnostics. Flame temperature was measured by OLD with 1.5% precision and flame temperature profiles were taken. Ground state and excited state sodium within an aspirated flame were detected by FM-spectroscopy. Present limits of sensitivity are absorptions of 1.5·10^–4and ground state sodium densities of 3.3·10⁶ cm^–3.

Original language	English
Pages (from-to)	302-308
Number of pages	7
Journal	Proceedings of SPIE - The International Society for Optical Engineering
Volume	398
DOIs	https://doi.org/10.1117/12.935391
State	Published - 26 Oct 1983

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title = "Flame diagnostic using optoacoustic laserbeam deflection and frequency modulation spectroscopy",

abstract = "Two laser-based techniques, Optoacoustic Laserbeam Deflection (OLD) and Frequency Modulation (FM) spectroscopy, were introduced for flame diagnostics. Flame temperature was measured by OLD with 1.5\% precision and flame temperature profiles were taken. Ground state and excited state sodium within an aspirated flame were detected by FM-spectroscopy. Present limits of sensitivity are absorptions of 1.5·10–4and ground state sodium densities of 3.3·106 cm–3.",

author = "W. Zapka and P. Pokrowsky and Whittaker, \{E. A.\} and Tam, \{A. C.\} and Bjorklund, \{G. C.\}",

year = "1983",

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AU - Zapka, W.

AU - Pokrowsky, P.

AU - Whittaker, E. A.

AU - Tam, A. C.

AU - Bjorklund, G. C.

PY - 1983/10/26

Y1 - 1983/10/26

N2 - Two laser-based techniques, Optoacoustic Laserbeam Deflection (OLD) and Frequency Modulation (FM) spectroscopy, were introduced for flame diagnostics. Flame temperature was measured by OLD with 1.5% precision and flame temperature profiles were taken. Ground state and excited state sodium within an aspirated flame were detected by FM-spectroscopy. Present limits of sensitivity are absorptions of 1.5·10–4and ground state sodium densities of 3.3·106 cm–3.

AB - Two laser-based techniques, Optoacoustic Laserbeam Deflection (OLD) and Frequency Modulation (FM) spectroscopy, were introduced for flame diagnostics. Flame temperature was measured by OLD with 1.5% precision and flame temperature profiles were taken. Ground state and excited state sodium within an aspirated flame were detected by FM-spectroscopy. Present limits of sensitivity are absorptions of 1.5·10–4and ground state sodium densities of 3.3·106 cm–3.

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JO - Proceedings of SPIE - The International Society for Optical Engineering

JF - Proceedings of SPIE - The International Society for Optical Engineering

ER -

Flame diagnostic using optoacoustic laserbeam deflection and frequency modulation spectroscopy

Abstract

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